Comments by "John Burns" (@johnburns4017) on "How THIS aircraft could revolutionise Aviation! Otto Celera 500L" video.

  1. Nice work on the airframe. It uses an internal combustion 4-stroke piston engine? They think this plane is breaking ground? Please! If they had a Wankel engine at one third of the weight and size, I might be impressed. Wankel engines have come a long way, ideally suited for planes.
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